72969119 has 4 divisors (see below), whose sum is σ = 72986496. Its totient is φ = 72951744.

The previous prime is 72969107. The next prime is 72969137. The reversal of 72969119 is 91196927.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72969119 - 2⁴ = 72969103 is a prime.

It is a super-2 number, since 2×72969119² = 10648984655272322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72969119.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72969419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1967 + ... + 12239.

It is an arithmetic number, because the mean of its divisors is an integer number (18246624).

Almost surely, 2^72969119 is an apocalyptic number.

72969119 is a deficient number, since it is larger than the sum of its proper divisors (17377).

72969119 is a wasteful number, since it uses less digits than its factorization.

72969119 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17376.

The product of its digits is 61236, while the sum is 44.

The square root of 72969119 is about 8542.1963803228. The cubic root of 72969119 is about 417.8749788267.

The spelling of 72969119 in words is "seventy-two million, nine hundred sixty-nine thousand, one hundred nineteen".